Update to latest common-packer

Change-Id: Ie4383a7356ff3aa8f0e47fd9219bba40f4b1fa30
Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index 4d9e425..576b3df 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 4d9e425a95d5e61072e2539555842cae91806c7b
+Subproject commit 576b3dfa361255725bd23b3cbf584a957d0ff1dd